Vent protector



July 28, 1931. LAKE VENT PROTECTOR Filed Feb. 19, 1931 ATTo b'IEY Y afire hazard.

' the proper operation'o'f the vent protector The main body, 1, ispreferably provided interiorly with an annular recess, 12, locatedpreferablyabove thethreaded portion, 2, to

come sutficiently charged with gases to cause hood is provided,centrally, with a projection or spike, 11 which serves to protect thehood and prevent the placing therein of objects which: mightfotherwiseinterfere with i receive a flexible screen, "l3,ishown in detail "withits-edges lyingin the annular recess, 12, as clearly indicatedin Fig."2. In some in-- sta ces it is considereddesirable-toemploy a "screen inorder to prevent firebeingsucked in Fig. 4. 7 This screen'isconvenientlyformed. w by cutting'a sheet of wire mesh in circular j formof a diameter greater than the threaded portion of the main body, andwhen it is desir'edto employ 'ascreen, it can'be'readilysprunginto'gposition within the 'Inain' body back through the? ventrotector into the v "tank, It is "sometimes? remanwewr, that,

V especially wherethe vent protector "is used connectio mwith 'ventpipesfrom tanks containlng'the' heavier fuel oils that these I screenstbw l'gged c Th y happen by carelessness in filling the tank and causing aeportio n of the oil to fiowup through the vent pipe into contact withscreen, such por-f -tion's drying-'inythe mesh of the screen, and

occasionally completely filling the-same so as I a" clean screeninserted," should it become "clogged.

' iwardly' around thejenclosed portion of the mainbody to'actas a sealand elfectually prevent rain, snow,'-dust or other foreign niatteriwhichmay fall upon the exteriorotf' the hood, from beingcarried down'the vent*pi'p'e into the tank, whilenmihtainirig the i 'tank-andvent pipe at alltimes'iniull com muiiic ation with-'theat nosphere. The ex,-

"terio'r spike, 11, also tends' to divide any 7 rnatterfallinggupon thehood and direct it toward?the lateral-edges of theliood, from and vnvpipawhusfully protecting the-im" teri'ordischarge aperture, i 5.Itwill also'be I seen "that the webs; 9, not only extend fromthe-taperedportion'of'the main'b'odyto the' and-holding said body and hoodfin perma- 'lateral walls ofthe -hood,but are extended" beyond themainbody in the direction of the fbod-ygand' with-the interior' of the domeof longitudinal axis'thereofi'and areunitedto The'exterior surface ofthe tersPatent is'z' the z'ho'rizontal 'portion of the hood, thusforming "an extremely strong construction Y fwhich preVentsflt-he hoodfrom being broken 1\ 1 loose; :from' the main 'body in case 'a board V'thetubularbody rested'on rtheweit protector.* Thefspike,11,"'projecting spikel fz also serves to prevent the placing of objectscarelessly on the top of the vent protector, as it naturally afiords anunstable support for any such article as might be carelessly rested upon'itand assists'in preventing injury to theventprotectorjifrom thiscause.

My improved vent protector forms" aniex tremely neat, cheap andeflicient article'for this purpose, and it can, be quickly installed byplacing theflthreadedfportion, 2, in engage.-

ment with the r adeapbaiofis of the vent pipe and screwing the ventprotector thereon by the aid ofa wrench, which is'preventedfromslippingby the lugs, 3, on the main body. s V p -"'W-hatI claim anddesire-tofsecure by Let- 1.- A; vent protector comprising-a tubular bodyprovided-with means for securing :it to the terminal portion of a vlentpipe anin verted cup-shaped hollow hood covering the upper end ofV-t-hetubular body; the lateral *wall portions of said hood being of greater"diameter than the? covered portions of the 'tubularbody to form a.substantially annular passage communicating with the interior ofthetubular body, the lateral 'wall portions o'f the hood-forminga sealto preventwa'ter and'for'eign matter fronipassing into the tubular bodyand vent pipe while maintain- 'ing' thefvent' pipe in constant and 7free coinlnunication' with the atmosphere, and radiallydisposed webscast with said tubular body and holding said body and hoodin permanentspaced relation, said cast'webs l eing 0on *nected with the top edge ofthetubular body and with the interior of the dome ofthe' hood andextending substantially in the? longip V V r tudinal direction of thetubular b'ody. :L "It-Twill be seen that the hood extends down- 1 I bodyprovided with meansfor secur1ng 1t: to

211 A vent protector; comprising-a tubular 'l the'terminal portion of avent'pipe, an invertedcupshaped hollow hood covering the upper end ofthe tubular body, the lateralwall portions'of said 'hood being" ofgreater diameterjthat the covered portions 'ot the tubula'r body "toforma substanti'ally annular passage communicating with: the interior "ofthe tubular bodyfthei lateral wall-portions tubular body andvent pipewhile maintaining the vent pipein constant" and free *communication withthe atm ospherefand radial- 1y disposed webs east wltll salditllblllaill body n'ent spaced relation, said cast webs being connectedwith the top edge of the tubular the hood and extending: substantiallyin the longitudinal direc'tion' of} the tubular 'body,

i'offthe hood'forining' -a sealto prevent water ll a 5 and "foreign Ymatterfrom passing into the the tubular body, thejlateral Wall portions,

2 v body and 'Withtheinterior ofthe'dom'e of r I longitudinaldirection'oflthe tubularbody,

internally disposed annularsoreen areceiv main body, Within the hood,the'lateral Wall larbody with the interior of 'the'doine of the i I l'3. vent proteetoreomprising a tubular body provided with means forsecuringit" to the terminal portion of ayent pipe, and in-' vertedcup-shapedxhollow hood co'veringthe upper end 'ofthefltubular body,the1ateral V Wallportions of saidihood being of greater diameter than thecovered portions of the tubularbody to form a substantially annularpassagecommunicatingwith the interior of of the hood forming a seal ,toprevent Water jand foreign matter from passing into the l tubular bodyand'vent pipe while maintaining the vent pipe in constant and freecommunioation With the atmosphere; andradial ly disposed ebs castithsaid tubular body H and holding saidbody and hoodinperma r nentspacedrelation, said castwebs being connected with the top edge ofthetubular the' hoodand extendingsubstantially in the saidftubular bodybeing'provided with anfr o ea I z I 4; 'A'ventprotector vcomprising atubular body provided withmeansfor securing itto the terminal portion ofa Vent pipe, an in- I verted' cup-shaped hollow hood covering the upperendof themain' body, the lateral Wall portions of said' hoodbeingofgreaterdia- -7 meter than the cover portions of the main body to forma substantially annular passage communicating With the interior of the Iportionsof the' hoo d for'minga seal toprevent Water and foreign matterfrom passing into the main body andvent pipelwhilemaintainingltheventpipein constant and free I vc0nirnunicatio'n' withthe atmosphere and I radiallyjdisposed' lugscast with and con-,necting-said hood and main body and holdl q ing them inpermanentspaced'relation', said cast lugs connecting the top edge of the tubuhoodand having their longitudinal axis substantially parallel to the ,axis'of the body. 7 I In testimony WhereofI affix 'my signaturef

